Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / lib / gpr / wrap_memcpy.cc

diff --git a/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/wrap_memcpy.cc b/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/wrap_memcpy.cc
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+++ b/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/wrap_memcpy.cc
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+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include <string.h>
+
+/* Provide a wrapped memcpy for targets that need to be backwards
+ * compatible with older libc's.
+ *
+ * Enable by setting LDFLAGS=-Wl,-wrap,memcpy when linking.
+ */
+
+extern "C" {
+#ifdef __linux__
+#if defined(__x86_64__) && !defined(GPR_MUSL_LIBC_COMPAT)
+__asm__(".symver memcpy,memcpy@GLIBC_2.2.5");
+void* __wrap_memcpy(void* destination, const void* source, size_t num) {
+  return memcpy(destination, source, num);
+}
+#else /* !__x86_64__ */
+void* __wrap_memcpy(void* destination, const void* source, size_t num) {
+  return memmove(destination, source, num);
+}
+#endif
+#endif
+}